projects / occt.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
0030470: Modeling Algorithms - Invalid result of offset operation in mode "Complete...
[occt.git] / src / AIS / AIS_ColoredShape.cxx
... / ...
CommitLineData
1// Created on: 2014-04-24
2// Created by: Kirill Gavrilov
3// Copyright (c) 2014 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
16#include <AIS_ColoredShape.hxx>
17
18#include <AIS_InteractiveContext.hxx>
19#include <BRep_Builder.hxx>
20#include <BRepTools.hxx>
21#include <BRepMesh_IncrementalMesh.hxx>
22#include <gp_Pnt2d.hxx>
23#include <Graphic3d_AspectFillArea3d.hxx>
24#include <Graphic3d_AspectLine3d.hxx>
25#include <Graphic3d_ArrayOfTriangles.hxx>
26#include <Graphic3d_ArrayOfSegments.hxx>
27#include <Graphic3d_Group.hxx>
28#include <Graphic3d_StructureManager.hxx>
29#include <Graphic3d_Texture2Dmanual.hxx>
30#include <Precision.hxx>
31#include <Prs3d.hxx>
32#include <Prs3d_LineAspect.hxx>
33#include <Prs3d_IsoAspect.hxx>
34#include <Prs3d_Presentation.hxx>
35#include <Prs3d_ShadingAspect.hxx>
36#include <Prs3d_Root.hxx>
37#include <PrsMgr_PresentationManager3d.hxx>
38#include <Standard_ErrorHandler.hxx>
39#include <StdSelect_BRepSelectionTool.hxx>
40#include <StdPrs_ShadedShape.hxx>
41#include <StdPrs_ToolTriangulatedShape.hxx>
42#include <StdPrs_WFShape.hxx>
43#include <TopExp_Explorer.hxx>
44#include <TopoDS.hxx>
45#include <TopoDS_Compound.hxx>
46#include <TopoDS_Iterator.hxx>
47
48IMPLEMENT_STANDARD_RTTIEXT(AIS_ColoredShape,AIS_Shape)
49IMPLEMENT_STANDARD_RTTIEXT(AIS_ColoredDrawer,Prs3d_Drawer)
50
51namespace
52{
53 //! Collect all sub-compounds into map.
54 static void collectSubCompounds (TopTools_MapOfShape& theMap,
55 const TopoDS_Shape& theShape)
56 {
57 for (TopoDS_Iterator aChildIter (theShape); aChildIter.More(); aChildIter.Next())
58 {
59 const TopoDS_Shape& aShape = aChildIter.Value();
60 if (aShape.ShapeType() == TopAbs_COMPOUND
61 && theMap.Add (aShape))
62 {
63 collectSubCompounds (theMap, aShape);
64 }
65 }
66 }
67}
68
69//=======================================================================
70//function : AIS_ColoredShape
71//purpose :
72//=======================================================================
73AIS_ColoredShape::AIS_ColoredShape (const TopoDS_Shape& theShape)
74: AIS_Shape (theShape)
75{
76 // disable dedicated line aspects
77 myDrawer->SetFreeBoundaryAspect (myDrawer->LineAspect());
78 myDrawer->SetUnFreeBoundaryAspect(myDrawer->LineAspect());
79 myDrawer->SetSeenLineAspect (myDrawer->LineAspect());
80 myDrawer->SetFaceBoundaryAspect (myDrawer->LineAspect());
81}
82
83//=======================================================================
84//function : AIS_ColoredShape
85//purpose :
86//=======================================================================
87AIS_ColoredShape::AIS_ColoredShape (const Handle(AIS_Shape)& theShape)
88: AIS_Shape (theShape->Shape())
89{
90 // disable dedicated line aspects
91 myDrawer->SetFreeBoundaryAspect (myDrawer->LineAspect());
92 myDrawer->SetUnFreeBoundaryAspect(myDrawer->LineAspect());
93 myDrawer->SetSeenLineAspect (myDrawer->LineAspect());
94 myDrawer->SetFaceBoundaryAspect (myDrawer->LineAspect());
95 if (theShape->HasMaterial())
96 {
97 SetMaterial (theShape->Material());
98 }
99 if (theShape->HasColor())
100 {
101 Quantity_Color aColor;
102 theShape->Color (aColor);
103 SetColor (aColor);
104 }
105 if (theShape->HasWidth())
106 {
107 SetWidth (theShape->Width());
108 }
109 if (theShape->IsTransparent())
110 {
111 SetTransparency (theShape->Transparency());
112 }
113}
114
115//=======================================================================
116//function : CustomAspects
117//purpose :
118//=======================================================================
119Handle(AIS_ColoredDrawer) AIS_ColoredShape::CustomAspects (const TopoDS_Shape& theShape)
120{
121 Handle(AIS_ColoredDrawer) aDrawer;
122 myShapeColors.Find (theShape, aDrawer);
123 if (aDrawer.IsNull())
124 {
125 aDrawer = new AIS_ColoredDrawer (myDrawer);
126 myShapeColors.Bind (theShape, aDrawer);
127 LoadRecomputable (AIS_WireFrame);
128 LoadRecomputable (AIS_Shaded);
129 }
130 return aDrawer;
131}
132
133//=======================================================================
134//function : ClearCustomAspects
135//purpose :
136//=======================================================================
137void AIS_ColoredShape::ClearCustomAspects()
138{
139 if (myShapeColors.IsEmpty())
140 {
141 return;
142 }
143 myShapeColors.Clear();
144 LoadRecomputable (AIS_WireFrame);
145 LoadRecomputable (AIS_Shaded);
146}
147
148//=======================================================================
149//function : UnsetCustomAspects
150//purpose :
151//=======================================================================
152void AIS_ColoredShape::UnsetCustomAspects (const TopoDS_Shape& theShape,
153 const Standard_Boolean theToUnregister)
154{
155 if (!myShapeColors.IsBound (theShape))
156 {
157 return;
158 }
159
160 LoadRecomputable (AIS_WireFrame);
161 LoadRecomputable (AIS_Shaded);
162 if (theToUnregister)
163 {
164 myShapeColors.UnBind (theShape);
165 return;
166 }
167
168 myShapeColors.ChangeFind (theShape) = new AIS_ColoredDrawer (myDrawer);
169}
170
171//=======================================================================
172//function : SetCustomColor
173//purpose :
174//=======================================================================
175void AIS_ColoredShape::SetCustomColor (const TopoDS_Shape& theShape,
176 const Quantity_Color& theColor)
177{
178 if (theShape.IsNull())
179 {
180 return;
181 }
182
183 const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
184 setColor (aDrawer, theColor);
185 aDrawer->SetOwnColor (theColor);
186 LoadRecomputable (AIS_WireFrame);
187 LoadRecomputable (AIS_Shaded);
188}
189
190//=======================================================================
191//function : SetCustomTransparency
192//purpose :
193//=======================================================================
194void AIS_ColoredShape::SetCustomTransparency (const TopoDS_Shape& theShape,
195 Standard_Real theTransparency)
196{
197 if (theShape.IsNull())
198 {
199 return;
200 }
201
202 const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
203 setTransparency (aDrawer, theTransparency);
204 aDrawer->SetOwnTransparency (theTransparency);
205 LoadRecomputable (AIS_WireFrame);
206 LoadRecomputable (AIS_Shaded);
207}
208
209//=======================================================================
210//function : SetCustomWidth
211//purpose :
212//=======================================================================
213void AIS_ColoredShape::SetCustomWidth (const TopoDS_Shape& theShape,
214 const Standard_Real theLineWidth)
215{
216 if (theShape.IsNull())
217 {
218 return;
219 }
220
221 const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
222 setWidth (aDrawer, theLineWidth);
223 aDrawer->SetOwnWidth (theLineWidth);
224 LoadRecomputable (AIS_WireFrame);
225 LoadRecomputable (AIS_Shaded);
226}
227
228//=======================================================================
229//function : SetColor
230//purpose :
231//=======================================================================
232
233void AIS_ColoredShape::SetColor (const Quantity_Color& theColor)
234{
235 setColor (myDrawer, theColor);
236 myDrawer->SetColor (theColor);
237 hasOwnColor = Standard_True;
238 LoadRecomputable (AIS_WireFrame);
239 LoadRecomputable (AIS_Shaded);
240 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
241 {
242 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
243 if (aDrawer->HasOwnColor())
244 {
245 continue;
246 }
247
248 if (aDrawer->HasOwnShadingAspect())
249 {
250 aDrawer->ShadingAspect()->SetColor (theColor, myCurrentFacingModel);
251 }
252 if (aDrawer->HasOwnLineAspect())
253 {
254 aDrawer->LineAspect()->SetColor (theColor);
255 }
256 if (aDrawer->HasOwnWireAspect())
257 {
258 aDrawer->WireAspect()->SetColor (theColor);
259 }
260 if (aDrawer->HasOwnFaceBoundaryAspect())
261 {
262 aDrawer->FaceBoundaryAspect()->SetColor (theColor);
263 }
264 }
265}
266
267//=======================================================================
268//function : SetWidth
269//purpose :
270//=======================================================================
271
272void AIS_ColoredShape::SetWidth (const Standard_Real theLineWidth)
273{
274 setWidth (myDrawer, theLineWidth);
275 myOwnWidth = theLineWidth;
276 LoadRecomputable (AIS_WireFrame);
277 LoadRecomputable (AIS_Shaded);
278 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
279 {
280 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
281 if (aDrawer->HasOwnWidth())
282 {
283 continue;
284 }
285
286 if (aDrawer->HasOwnLineAspect())
287 {
288 aDrawer->LineAspect()->SetWidth (theLineWidth);
289 }
290 if (aDrawer->HasOwnWireAspect())
291 {
292 aDrawer->WireAspect()->SetWidth (theLineWidth);
293 }
294 if (aDrawer->HasOwnFaceBoundaryAspect())
295 {
296 aDrawer->FaceBoundaryAspect()->SetWidth (theLineWidth);
297 }
298 }
299}
300
301//=======================================================================
302//function : SetTransparency
303//purpose :
304//=======================================================================
305
306void AIS_ColoredShape::SetTransparency (const Standard_Real theValue)
307{
308 setTransparency (myDrawer, theValue);
309 myDrawer->SetTransparency ((Standard_ShortReal )theValue);
310 LoadRecomputable (AIS_WireFrame);
311 LoadRecomputable (AIS_Shaded);
312 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
313 {
314 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
315 if (aDrawer->HasOwnTransparency())
316 {
317 continue;
318 }
319
320 if (aDrawer->HasOwnShadingAspect())
321 {
322 aDrawer->ShadingAspect()->SetTransparency (theValue, myCurrentFacingModel);
323 }
324 }
325}
326
327//=======================================================================
328//function : UnsetTransparency
329//purpose :
330//=======================================================================
331void AIS_ColoredShape::UnsetTransparency()
332{
333 myDrawer->SetTransparency (0.0f);
334 if (myDrawer->HasOwnShadingAspect())
335 {
336 myDrawer->ShadingAspect()->SetTransparency (0.0, myCurrentFacingModel);
337 if (!HasColor()
338 && !HasMaterial()
339 && !myDrawer->ShadingAspect()->Aspect()->ToMapTexture())
340 {
341 myDrawer->SetShadingAspect (Handle(Prs3d_ShadingAspect)());
342 }
343 }
344
345 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
346 {
347 const Handle(Prs3d_Drawer)& aDrawer = anIter.Value();
348 if (aDrawer->HasOwnShadingAspect())
349 {
350 aDrawer->ShadingAspect()->SetTransparency (0.0, myCurrentFacingModel);
351 }
352 }
353 SynchronizeAspects();
354}
355
356//=======================================================================
357//function : SetMaterial
358//purpose :
359//=======================================================================
360
361void AIS_ColoredShape::SetMaterial (const Graphic3d_MaterialAspect& theMaterial)
362{
363 setMaterial (myDrawer, theMaterial, HasColor(), IsTransparent());
364 //myOwnMaterial = theMaterial;
365 hasOwnMaterial = Standard_True;
366 LoadRecomputable (AIS_Shaded);
367 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
368 {
369 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
370 //if (aDrawer->HasOwnMaterial()) continue;
371 if (aDrawer->HasOwnShadingAspect())
372 {
373 setMaterial (aDrawer, theMaterial, aDrawer->HasOwnColor(), aDrawer->HasOwnTransparency());
374 }
375 }
376}
377
378//=======================================================================
379//function : Compute
380//purpose :
381//=======================================================================
382void AIS_ColoredShape::Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
383 const Handle(Prs3d_Presentation)& thePrs,
384 const Standard_Integer theMode)
385{
386 if (myshape.IsNull())
387 {
388 return;
389 }
390
391 if (IsInfinite())
392 {
393 thePrs->SetInfiniteState (Standard_True);
394 }
395
396 switch (theMode)
397 {
398 case AIS_WireFrame:
399 {
400 StdPrs_ToolTriangulatedShape::ClearOnOwnDeflectionChange (myshape, myDrawer, Standard_True);
401
402 // After this call if type of deflection is relative
403 // computed deflection coefficient is stored as absolute.
404 Prs3d::GetDeflection (myshape, myDrawer);
405 break;
406 }
407 case AIS_Shaded:
408 {
409 if (myDrawer->IsAutoTriangulation())
410 {
411 // compute mesh for entire shape beforehand to ensure consistency and optimizations (parallelization)
412 StdPrs_ToolTriangulatedShape::ClearOnOwnDeflectionChange (myshape, myDrawer, Standard_True);
413
414 // After this call if type of deflection is relative
415 // computed deflection coefficient is stored as absolute.
416 Standard_Boolean wasRecomputed = StdPrs_ToolTriangulatedShape::Tessellate (myshape, myDrawer);
417
418 // Set to update wireframe presentation on triangulation.
419 if (myDrawer->IsoOnTriangulation() && wasRecomputed)
420 {
421 SetToUpdate (AIS_WireFrame);
422 }
423 }
424 break;
425 }
426 case 2:
427 {
428 AIS_Shape::Compute (thePrsMgr, thePrs, theMode);
429 return;
430 }
431 default:
432 {
433 return;
434 }
435 }
436
437 // Extract myShapeColors map (KeyshapeColored -> Color) to subshapes map (Subshape -> Color).
438 // This needed when colored shape is not part of BaseShape (but subshapes are) and actually container for subshapes.
439 AIS_DataMapOfShapeDrawer aSubshapeDrawerMap;
440 fillSubshapeDrawerMap (aSubshapeDrawerMap);
441
442 Handle(AIS_ColoredDrawer) aBaseDrawer;
443 myShapeColors.Find (myshape, aBaseDrawer);
444
445 // myShapeColors + anOpened --> array[TopAbs_ShapeEnum] of map of color-to-compound
446 DataMapOfDrawerCompd aDispatchedOpened[(size_t)TopAbs_SHAPE];
447 DataMapOfDrawerCompd aDispatchedClosed;
448 dispatchColors (aBaseDrawer, myshape,
449 aSubshapeDrawerMap, TopAbs_COMPOUND, Standard_False,
450 aDispatchedOpened, theMode == AIS_Shaded ? aDispatchedClosed : aDispatchedOpened[TopAbs_FACE]);
451 addShapesWithCustomProps (thePrs, aDispatchedOpened, aDispatchedClosed, theMode);
452}
453
454//=======================================================================
455//function : fillSubshapeDrawerMap
456//purpose :
457//=======================================================================
458void AIS_ColoredShape::fillSubshapeDrawerMap (AIS_DataMapOfShapeDrawer& theSubshapeDrawerMap) const
459{
460 // unroll compounds specified for grouping sub-shapes with the same style
461 // (e.g. the compounds that are not a part of the main shape)
462 TopTools_MapOfShape aMapOfOwnCompounds;
463 if (myshape.ShapeType() == TopAbs_COMPOUND)
464 {
465 aMapOfOwnCompounds.Add (myshape);
466 collectSubCompounds (aMapOfOwnCompounds, myshape);
467 }
468 for (AIS_DataMapOfShapeDrawer::Iterator aKeyShapeIter (myShapeColors);
469 aKeyShapeIter.More(); aKeyShapeIter.Next())
470 {
471 const TopoDS_Shape& aKeyShape = aKeyShapeIter.Key();
472 if (aKeyShape.ShapeType() != TopAbs_COMPOUND
473 || aMapOfOwnCompounds.Contains (aKeyShape))
474 {
475 continue;
476 }
477
478 for (TopoDS_Iterator aChildIter (aKeyShape); aChildIter.More(); aChildIter.Next())
479 {
480 const TopoDS_Shape& aShape = aChildIter.Value();
481 if (!myShapeColors.IsBound (aShape))
482 {
483 bindSubShapes (theSubshapeDrawerMap, aShape, aKeyShapeIter.Value());
484 }
485 }
486 }
487
488 // assign other sub-shapes with styles
489 for (AIS_DataMapOfShapeDrawer::Iterator aKeyShapeIter (myShapeColors);
490 aKeyShapeIter.More(); aKeyShapeIter.Next())
491 {
492 const TopoDS_Shape& aKeyShape = aKeyShapeIter.Key();
493 if (myshape == aKeyShape
494 || (aKeyShape.ShapeType() == TopAbs_COMPOUND
495 && !aMapOfOwnCompounds.Contains (aKeyShape)))
496 {
497 continue;
498 }
499
500 bindSubShapes (theSubshapeDrawerMap, aKeyShape, aKeyShapeIter.Value());
501 }
502}
503
504//=======================================================================
505//function : ComputeSelection
506//purpose :
507//=======================================================================
508void AIS_ColoredShape::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
509 const Standard_Integer theMode)
510{
511 if (myshape.IsNull())
512 {
513 return;
514 }
515 else if (isShapeEntirelyVisible())
516 {
517 base_type::ComputeSelection (theSelection, theMode);
518 return;
519 }
520
521 const TopAbs_ShapeEnum aTypOfSel = AIS_Shape::SelectionType (theMode);
522 const Standard_Real aDeflection = Prs3d::GetDeflection (myshape, myDrawer);
523 const Standard_Real aDeviationAngle = myDrawer->HLRAngle();
524 const Standard_Integer aPriority = StdSelect_BRepSelectionTool::GetStandardPriority (myshape, aTypOfSel);
525 if (myDrawer->IsAutoTriangulation()
526 && !BRepTools::Triangulation (myshape, Precision::Infinite()))
527 {
528 BRepMesh_IncrementalMesh aMesher (myshape, aDeflection, Standard_False, aDeviationAngle);
529 }
530
531 AIS_DataMapOfShapeDrawer aSubshapeDrawerMap;
532 fillSubshapeDrawerMap (aSubshapeDrawerMap);
533
534 Handle(StdSelect_BRepOwner) aBrepOwner = new StdSelect_BRepOwner (myshape, aPriority);
535 if (aTypOfSel == TopAbs_SHAPE)
536 {
537 aBrepOwner = new StdSelect_BRepOwner (myshape, aPriority);
538 }
539
540 Handle(AIS_ColoredDrawer) aBaseDrawer;
541 myShapeColors.Find (myshape, aBaseDrawer);
542 computeSubshapeSelection (aBaseDrawer, aSubshapeDrawerMap, myshape, aBrepOwner, theSelection,
543 aTypOfSel, aPriority, aDeflection, aDeviationAngle);
544
545 Handle(SelectMgr_SelectableObject) aThis (this);
546 for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator aSelEntIter (theSelection->Entities()); aSelEntIter.More(); aSelEntIter.Next())
547 {
548 Handle(SelectMgr_EntityOwner) anOwner = Handle(SelectMgr_EntityOwner)::DownCast (aSelEntIter.Value()->BaseSensitive()->OwnerId());
549 anOwner->Set (aThis);
550 }
551
552 StdSelect_BRepSelectionTool::PreBuildBVH (theSelection);
553}
554
555//=======================================================================
556//function : computeSubshapeSelection
557//purpose :
558//=======================================================================
559void AIS_ColoredShape::computeSubshapeSelection (const Handle(AIS_ColoredDrawer)& theParentDrawer,
560 const AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
561 const TopoDS_Shape& theShape,
562 const Handle(StdSelect_BRepOwner)& theOwner,
563 const Handle(SelectMgr_Selection)& theSelection,
564 const TopAbs_ShapeEnum theTypOfSel,
565 const Standard_Integer thePriority,
566 const Standard_Real theDeflection,
567 const Standard_Real theDeflAngle)
568{
569 Handle(AIS_ColoredDrawer) aDrawer = theParentDrawer;
570 theShapeDrawerMap.Find (theShape, aDrawer);
571 if (!aDrawer.IsNull()
572 && aDrawer->IsHidden())
573 {
574 return;
575 }
576
577 const Standard_Integer aNbPOnEdge = 9;
578 const Standard_Real aMaximalParameter = 500.0;
579 if (theTypOfSel == TopAbs_SHAPE
580 && theShape.ShapeType() >= TopAbs_FACE)
581 {
582 StdSelect_BRepSelectionTool::ComputeSensitive (theShape, theOwner, theSelection,
583 theDeflection, theDeflAngle, aNbPOnEdge, aMaximalParameter, myDrawer->IsAutoTriangulation());
584 return;
585 }
586 else if (theShape.ShapeType() == theTypOfSel)
587 {
588 const Standard_Boolean isComesFromDecomposition = !theShape.IsEqual (myshape);
589 Handle(StdSelect_BRepOwner) aBrepOwner = new StdSelect_BRepOwner (theShape, thePriority, isComesFromDecomposition);
590 StdSelect_BRepSelectionTool::ComputeSensitive (theShape, aBrepOwner, theSelection,
591 theDeflection, theDeflAngle, aNbPOnEdge, aMaximalParameter, myDrawer->IsAutoTriangulation());
592 return;
593 }
594
595 for (TopoDS_Iterator aSubShapeIter (theShape); aSubShapeIter.More(); aSubShapeIter.Next())
596 {
597 const TopoDS_Shape& aSubShape = aSubShapeIter.Value();
598 computeSubshapeSelection (aDrawer, theShapeDrawerMap, aSubShape,
599 theOwner, theSelection, theTypOfSel, thePriority,
600 theDeflection, theDeflAngle);
601 }
602}
603
604//=======================================================================
605//function : addShapesWithCustomProps
606//purpose :
607//=======================================================================
608void AIS_ColoredShape::addShapesWithCustomProps (const Handle(Prs3d_Presentation)& thePrs,
609 const DataMapOfDrawerCompd* theDrawerOpenedShapePerType,
610 const DataMapOfDrawerCompd& theDrawerClosedFaces,
611 const Standard_Integer theMode)
612{
613 Handle(Graphic3d_Group) anOpenGroup, aClosedGroup, anEdgesGroup;
614 for (size_t aShType = 0; aShType <= (size_t )TopAbs_SHAPE; ++aShType)
615 {
616 const Standard_Boolean isClosed = aShType == TopAbs_SHAPE;
617 Handle(Graphic3d_Group)& aShadedGroup = isClosed ? aClosedGroup : anOpenGroup;
618 const DataMapOfDrawerCompd& aDrawerShapeMap = isClosed
619 ? theDrawerClosedFaces
620 : theDrawerOpenedShapePerType[aShType];
621 for (DataMapOfDrawerCompd::Iterator aMapIter (aDrawerShapeMap);
622 aMapIter.More(); aMapIter.Next())
623 {
624 const Handle(AIS_ColoredDrawer)& aCustomDrawer = aMapIter.Key();
625 const TopoDS_Compound& aShapeDraw = aMapIter.Value(); // compound of subshapes with <aShType> type
626 Handle(Prs3d_Drawer) aDrawer;
627 if (!aCustomDrawer.IsNull())
628 {
629 aDrawer = aCustomDrawer;
630 if (aCustomDrawer->IsHidden())
631 {
632 continue;
633 }
634 }
635 else
636 {
637 aDrawer = myDrawer;
638 }
639
640 // It is supposed that absolute deflection contains previously computed relative deflection
641 // (if deflection type is relative).
642 // In case of CustomDrawer it is taken from Link().
643 Aspect_TypeOfDeflection aPrevType = aDrawer->TypeOfDeflection();
644 aDrawer->SetTypeOfDeflection (Aspect_TOD_ABSOLUTE);
645
646 // Draw each kind of subshapes and personal-colored shapes in a separate group
647 // since it's necessary to set transparency/material for all subshapes
648 // without affecting their unique colors
649 if (theMode == AIS_Shaded
650 && aShapeDraw.ShapeType() <= TopAbs_FACE
651 && !IsInfinite())
652 {
653 // add wireframe presentation for isolated edges and vertices
654 StdPrs_ShadedShape::AddWireframeForFreeElements (thePrs, aShapeDraw, aDrawer);
655
656 // add special wireframe presentation for faces without triangulation
657 StdPrs_ShadedShape::AddWireframeForFacesWithoutTriangles (thePrs, aShapeDraw, aDrawer);
658
659 Handle(Graphic3d_ArrayOfTriangles) aTriangles = StdPrs_ShadedShape::FillTriangles (aShapeDraw,
660 aDrawer->ShadingAspect()->Aspect()->ToMapTexture()
661 && !aDrawer->ShadingAspect()->Aspect()->TextureMap().IsNull(),
662 myUVOrigin, myUVRepeat, myUVScale);
663 if (!aTriangles.IsNull())
664 {
665 if (aShadedGroup.IsNull())
666 {
667 aShadedGroup = thePrs->NewGroup();
668 aShadedGroup->SetClosed (isClosed);
669 }
670 aShadedGroup->SetPrimitivesAspect (aDrawer->ShadingAspect()->Aspect());
671 aShadedGroup->AddPrimitiveArray (aTriangles);
672 }
673
674 if (aDrawer->FaceBoundaryDraw())
675 {
676 if (Handle(Graphic3d_ArrayOfSegments) aBndSegments = StdPrs_ShadedShape::FillFaceBoundaries (aShapeDraw, aDrawer->FaceBoundaryUpperContinuity()))
677 {
678 if (anEdgesGroup.IsNull())
679 {
680 anEdgesGroup = thePrs->NewGroup();
681 }
682
683 anEdgesGroup->SetPrimitivesAspect (aDrawer->FaceBoundaryAspect()->Aspect());
684 anEdgesGroup->AddPrimitiveArray (aBndSegments);
685 }
686 }
687 }
688 else
689 {
690 StdPrs_WFShape::Add (thePrs, aShapeDraw, aDrawer);
691 }
692 aDrawer->SetTypeOfDeflection (aPrevType);
693 }
694 }
695}
696
697//=======================================================================
698//function : dispatchColors
699//purpose :
700//=======================================================================
701Standard_Boolean AIS_ColoredShape::dispatchColors (const Handle(AIS_ColoredDrawer)& theParentDrawer,
702 const TopoDS_Shape& theShapeToParse,
703 const AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
704 const TopAbs_ShapeEnum theParentType,
705 const Standard_Boolean theIsParentClosed,
706 DataMapOfDrawerCompd* theDrawerOpenedShapePerType,
707 DataMapOfDrawerCompd& theDrawerClosedFaces)
708{
709 const TopAbs_ShapeEnum aShapeType = theShapeToParse.ShapeType();
710 if (aShapeType == TopAbs_SHAPE)
711 {
712 return Standard_False;
713 }
714
715 // check own setting of current shape
716 Handle(AIS_ColoredDrawer) aDrawer = theParentDrawer;
717 const Standard_Boolean isOverriden = theShapeDrawerMap.Find (theShapeToParse, aDrawer);
718 if (isOverriden
719 && aDrawer->IsHidden())
720 {
721 return Standard_True;
722 }
723
724 // handle compounds, solids and shells
725 Standard_Boolean isSubOverride = Standard_False;
726 if (aShapeType <= TopAbs_SHELL)
727 {
728 // detect parts of closed solids
729 Standard_Boolean isClosedShell = theParentType == TopAbs_SOLID
730 && aShapeType == TopAbs_SHELL
731 && BRep_Tool::IsClosed (theShapeToParse)
732 && StdPrs_ToolTriangulatedShape::IsTriangulated (theShapeToParse);
733 if (isClosedShell)
734 {
735 for (TopoDS_Iterator aFaceIter (theShapeToParse); aFaceIter.More(); aFaceIter.Next())
736 {
737 const TopoDS_Shape& aFace = aFaceIter.Value();
738 Handle(AIS_ColoredDrawer) aFaceDrawer;
739 if (aFace.ShapeType() != TopAbs_FACE
740 || !theShapeDrawerMap.Find (aFace, aFaceDrawer))
741 {
742 continue;
743 }
744
745 if (aFaceDrawer->IsHidden())
746 {
747 isClosedShell = Standard_False;
748 break;
749 }
750 else if (aFaceDrawer->HasOwnShadingAspect()
751 && aFaceDrawer->ShadingAspect()->Aspect()->AlphaMode() != Graphic3d_AlphaMode_Opaque)
752 {
753 if (aFaceDrawer->ShadingAspect()->Aspect()->AlphaMode() != Graphic3d_AlphaMode_BlendAuto
754 || aFaceDrawer->ShadingAspect()->Aspect()->FrontMaterial().Alpha() < 1.0f
755 || (aFaceDrawer->ShadingAspect()->Aspect()->Distinguish()
756 && aFaceDrawer->ShadingAspect()->Aspect()->BackMaterial().Alpha() < 1.0f))
757 {
758 isClosedShell = Standard_False;
759 break;
760 }
761 }
762 }
763 }
764
765 for (TopoDS_Iterator aSubShapeIter (theShapeToParse); aSubShapeIter.More(); aSubShapeIter.Next())
766 {
767 const TopoDS_Shape& aSubShape = aSubShapeIter.Value();
768 if (dispatchColors (aDrawer, aSubShape,
769 theShapeDrawerMap, aShapeType,
770 isClosedShell,
771 theDrawerOpenedShapePerType,
772 theDrawerClosedFaces))
773 {
774 isSubOverride = Standard_True;
775 }
776 }
777 return isOverriden || isSubOverride;
778 }
779
780 // iterate on sub-shapes
781 BRep_Builder aBBuilder;
782 TopoDS_Shape aShapeCopy = theShapeToParse.EmptyCopied();
783 aShapeCopy.Closed (theShapeToParse.Closed());
784 Standard_Integer nbDef = 0;
785 for (TopoDS_Iterator aSubShapeIter (theShapeToParse); aSubShapeIter.More(); aSubShapeIter.Next())
786 {
787 const TopoDS_Shape& aSubShape = aSubShapeIter.Value();
788 if (dispatchColors (aDrawer, aSubShape,
789 theShapeDrawerMap, aShapeType,
790 theIsParentClosed,
791 theDrawerOpenedShapePerType,
792 theDrawerClosedFaces))
793 {
794 isSubOverride = Standard_True;
795 }
796 else
797 {
798 aBBuilder.Add (aShapeCopy, aSubShape);
799 ++nbDef;
800 }
801 }
802 if (aShapeType == TopAbs_FACE || !isSubOverride)
803 {
804 aShapeCopy = theShapeToParse;
805 }
806 else if (nbDef == 0)
807 {
808 return isOverriden || isSubOverride; // empty compound
809 }
810
811 // if any of styles is overridden regarding to default one, add rest to map
812 if (isOverriden
813 || (isSubOverride && theParentType != TopAbs_WIRE // avoid drawing edges when vertex color is overridden
814 && theParentType != TopAbs_FACE) // avoid drawing edges of the same color as face
815 || (theParentType <= TopAbs_SHELL && !(isOverriden || isSubOverride))) // bind original shape to default color
816 {
817 TopoDS_Compound aCompound;
818 DataMapOfDrawerCompd& aDrawerShapeMap = theIsParentClosed
819 && aShapeType == TopAbs_FACE
820 ? theDrawerClosedFaces
821 : theDrawerOpenedShapePerType[(size_t)aShapeType];
822 if (!aDrawerShapeMap.FindFromKey (aDrawer, aCompound))
823 {
824 aBBuilder.MakeCompound (aCompound);
825 aDrawerShapeMap.Add (aDrawer, aCompound);
826 }
827 aBBuilder.Add (aCompound, aShapeCopy);
828 }
829 return isOverriden || isSubOverride;
830}
831
832//=======================================================================
833//function : isShapeEntirelyVisible
834//purpose :
835//=======================================================================
836Standard_Boolean AIS_ColoredShape::isShapeEntirelyVisible() const
837{
838 for (AIS_DataMapOfShapeDrawer::Iterator aMapIter (myShapeColors); aMapIter.More(); aMapIter.Next())
839 {
840 if (aMapIter.Value()->IsHidden())
841 {
842 return Standard_False;
843 }
844 }
845 return Standard_True;
846}
847
848//=======================================================================
849//function : bindSubShapes
850//purpose :
851//=======================================================================
852void AIS_ColoredShape::bindSubShapes (AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
853 const TopoDS_Shape& theKeyShape,
854 const Handle(AIS_ColoredDrawer)& theDrawer) const
855{
856 TopAbs_ShapeEnum aShapeWithColorType = theKeyShape.ShapeType();
857 if (aShapeWithColorType == TopAbs_COMPOUND)
858 {
859 theShapeDrawerMap.Bind (theKeyShape, theDrawer);
860 }
861 else if (aShapeWithColorType == TopAbs_SOLID || aShapeWithColorType == TopAbs_SHELL)
862 {
863 for (TopExp_Explorer anExp (theKeyShape, TopAbs_FACE); anExp.More(); anExp.Next())
864 {
865 if (!theShapeDrawerMap.IsBound (anExp.Current()))
866 {
867 theShapeDrawerMap.Bind (anExp.Current(), theDrawer);
868 }
869 }
870 }
871 else if (aShapeWithColorType == TopAbs_WIRE)
872 {
873 for (TopExp_Explorer anExp (theKeyShape, TopAbs_EDGE); anExp.More(); anExp.Next())
874 {
875 if (!theShapeDrawerMap.IsBound (anExp.Current()))
876 {
877 theShapeDrawerMap.Bind (anExp.Current(), theDrawer);
878 }
879 }
880 }
881 else
882 {
883 // bind single face, edge and vertex
884 // force rebind if required due to the color of single shape has
885 // higher priority than the color of "compound" shape (wire is a
886 // compound of edges, shell is a compound of faces) that contains
887 // this single shape.
888 theShapeDrawerMap.Bind (theKeyShape, theDrawer);
889 }
890}
Open CASCADE Technology repository